/Engine/Source/Runtime/Engine/Classes/Animation/AnimData/IAnimationDataController.h
Changes the color of the curve with provided identifier. Broadcasts a EAnimDataModelNotifyType::CurveRenamed notify if successful. Currently changing curve colors is only supported for float curves.
Whether or not the curve color was successfully changed
bool SetCurveColor ( const [FAnimationCurveIdentifier](API\Runtime\Engine\Animation\AnimData\FAnimationCurveIdentifier) & CurveId, [FLinearColor](API\Runtime\Core\Math\FLinearColor) Color, bool bShouldTransact )